Manhole Rings/ Soakaways
Description

Precast concrete manhole units from 675–4000 mm in various depths with tongue and groove and ogee joints. Precision manufactured to BS EN 1917: 2002.

Minimum order quantities apply for larger products; consult manufacturer for details.

General information

Material

Precast concrete manufactured to BS EN 1917: 2002

Uniclass 2015

Ss_50_35_06_14 Concrete manhole systemsPrimary

CAWS

R12/407 Manholes and inspection chambers – concrete

R12/409 Manholes – concrete – additional components for deep manholes

Specification data - Concrete manhole systems

Product Reference

Manhole Rings/ Soakaways

Manhole ring

-

Diameter

675 mm

Tongue and groove joint, 70 mm wall thickness.

900 mm

Ogee joint, 80 mm wall thickness.

1050 mm

Ogee joint, 90 mm wall thickness.

1200 mm

Ogee joint, 90 mm wall thickness.

1350 mm

Ogee joint, 95 mm wall thickness.

1500 mm

Tongue and groove joint, 105 mm wall thickness.

1800 mm

Tongue and groove joint, 115 mm wall thickness.

2100 mm

Tongue and groove joint, 150 mm wall thickness.

2400 mm

Tongue and groove joint, 150 mm wall thickness.

2700 mm

Tongue and groove joint, 150 mm wall thickness.

3000 mm

Tongue and groove joint, 165 mm wall thickness.

3500 mm

Tongue and groove joint, 185 mm wall thickness.

4000 mm

Tongue and groove joint, 200 mm wall thickness.

Depth

250 mm

For 1050 mm, 1200 mm or 1350 mm diameters only.

300 mm

For 675 mm or 900 mm diameters only

450 mm

For 675 mm or 900 mm diameters only.

500 mm

Not available with 675 mm, 900 mm or 4000 mm diameters.

600 mm

For 675 mm or 900 mm diameters only.

750 mm

Not available with 675 mm, 900 mm, 3500 mm or 4000 mm diameters.

900 mm

For 675 mm or 900 mm diameters only.

1000 mm

Not available with 675 mm or 900 mm diameters.

Soakaway

Not required

Required

For 900–1800 mm diameters only.

Cover slab

-

Type

Not required

Required

Access size

Not applicable

600 x 600 mm

675 x 675 mm

750 x 600 mm

Not available with 675–1050 mm manhole ring diameters.

750 x 750 mm

Not available with 675–900 mm manhole ring diameters.

1200 x 675 mm

Not available with 675–1200 mm manhole ring diameters.

Base section

Not required

150 mm outlet/ inlet opening

225 mm outlet/ inlet opening

300 mm outlet/ inlet opening

Seating slab

Not required

600 x 600 mm opening

750 x 750 mm overall size, 70 mm depth.

675 x 675 mm opening

850 x 850 mm overall size, 70 mm depth.

750 x 600 mm opening

880 x 750 mm overall size, 70 mm depth.

Reducing slab

Not required

Required

Available with 1350–3000 mm manhole ring diameters.

Resting slab

Not required

1800 x 500 mm

2100 x 500 mm

2400 x 500 mm

2700 x 500 mm

3000 x 500 mm

Accessories

None

Butyl rubber sealer, 22 x 22 – 4.5 m roll (to suit 900–mm diameter manhole rings).

4.5 m roll (to suit 900–mm diameter manhole rings).

Butyl rubber sealer, 32 x 38 – 3.5 m roll (to suit 1500–1800 mm diameter manhole rings).

3.5 m roll (to suit 1500–1800 mm diameter manhole rings).

Heavy duty double triangular cover and frame, 600 x 600 mm

Heavy duty double triangular cover and frame, 675 x 675 mm

Heavy duty double triangular cover and frame, 750 x 600 mm

Ladder handrail

Medium duty circular cover and frame, 600 mm diameter

Plastic double step rung

Plastic double steps for ladder system

Tokstrip, 12 x 120 mm

6 m length (to suit 2100–4000 mm diameter manhole rings).

Tokstrip, Primer 5 L

Standard product features

Material:

Precast concrete manufactured to BS EN 1917: 2002.

Product Options

Cover slab:

Depth and overall diameter dependent on ring diameter, consult manufacturer's literature for information.

Base section:

  • Ring diameter: 1200 mm.
  • External height: 750 mm.
  • Internal height: 600 mm.
  • Wall thickness: 150 mm.